Latchkey child
n. 挂钥匙儿童
📖 牛津释义
latchkey child
(becoming dated 渐旧) child who has to let himself into his house or flat and look after himself, esp after returning from school, because both parents are out at work 挂钥匙的儿童（尤指因父母外出工作, 故放学回家需自行进屋的）.
🧩 词语组成解析
latchkey
[['lætʃki:]]
n. 弹簧锁钥匙
child
[tʃaɪld]
n. 小孩，孩子;幼稚的人;产物;弟子;
🗣️ 情景例句
get some background on the job.
了解这项工程的一些背景。
Heaven's vengeance is slow but sure.
天网恢恢，疏而不漏。
and we know something of the great variety of the sea bed's topography.
而且我们对海底地形的千变万化也有了一定的了解。